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| 1 | <?php |
| 2 | |
| 3 | use MediaWiki\Maintenance\LoggedUpdateMaintenance; |
| 4 | |
| 5 | require_once __DIR__ . '/TableCleanup.php'; |
| 6 | |
| 7 | /** |
| 8 | * @ingroup Maintenance |
| 9 | */ |
| 10 | class CleanupWatchlistLabelMember extends LoggedUpdateMaintenance { |
| 11 | |
| 12 | public function __construct() { |
| 13 | parent::__construct(); |
| 14 | $this->addDescription( 'Add watchlist labels to talk pages (to match those of the subject pages).' ); |
| 15 | $this->setBatchSize( 500 ); |
| 16 | } |
| 17 | |
| 18 | /** @inheritDoc */ |
| 19 | protected function getUpdateKey() { |
| 20 | return __CLASS__; |
| 21 | } |
| 22 | |
| 23 | /** @inheritDoc */ |
| 24 | protected function doDBUpdates() { |
| 25 | $dbw = $this->getServiceContainer()->getConnectionProvider()->getPrimaryDatabase(); |
| 26 | $batchNum = 1; |
| 27 | while ( true ) { |
| 28 | // Find the missing talk page data for the watchlist_label_member table. |
| 29 | $missingLabelMembers = $dbw->newSelectQueryBuilder() |
| 30 | ->select( [ 'wlm_subject.wlm_label', 'wl_talk.wl_id', 'wl_talk.wl_namespace' ] ) |
| 31 | ->distinct() |
| 32 | // Select the watchlist |
| 33 | ->from( 'watchlist', 'wl_subject' ) |
| 34 | // Join to the watchlist talk pages (where NS IDs are incremented by one) |
| 35 | ->join( 'watchlist', 'wl_talk', [ |
| 36 | 'wl_subject.wl_user = wl_talk.wl_user', |
| 37 | 'wl_subject.wl_namespace + 1 = wl_talk.wl_namespace', |
| 38 | 'wl_subject.wl_title = wl_talk.wl_title', |
| 39 | // Making sure it's not the same row. |
| 40 | 'wl_subject.wl_id != wl_talk.wl_id', |
| 41 | ] ) |
| 42 | // Determine if the watchlist item (for the subject page) is labelled. |
| 43 | ->join( 'watchlist_label_member', 'wlm_subject', [ |
| 44 | 'wlm_subject.wlm_item = wl_subject.wl_id', |
| 45 | ] ) |
| 46 | // And find the labels for the matching talk page (if any). |
| 47 | ->leftJoin( 'watchlist_label_member', 'wlm_talk', [ |
| 48 | 'wlm_talk.wlm_item = wl_talk.wl_id', |
| 49 | 'wlm_talk.wlm_label = wlm_subject.wlm_label', |
| 50 | ] ) |
| 51 | ->where( [ |
| 52 | // Exclude the matched talk page rows if they exist. |
| 53 | 'wlm_talk.wlm_item IS NULL', |
| 54 | // Ensure that the subject and talk namespaces are valid. |
| 55 | 'wl_subject.wl_namespace % 2 = 0', |
| 56 | ] ) |
| 57 | ->limit( $this->getBatchSize() ) |
| 58 | ->caller( __METHOD__ ) |
| 59 | ->fetchResultSet(); |
| 60 | $data = []; |
| 61 | foreach ( $missingLabelMembers as $missingLabelMember ) { |
| 62 | $data[] = [ |
| 63 | 'wlm_label' => $missingLabelMember->wlm_label, |
| 64 | 'wlm_item' => $missingLabelMember->wl_id, |
| 65 | ]; |
| 66 | } |
| 67 | if ( !$data ) { |
| 68 | $this->output( $batchNum === 1 ? "Nothing to fix.\n" : "Done.\n" ); |
| 69 | return true; |
| 70 | } |
| 71 | $this->output( |
| 72 | 'Fixing labels on talk pages for ' . count( $data ) . ' watchlist items (batch ' . $batchNum . ").\n" |
| 73 | ); |
| 74 | $batchNum++; |
| 75 | $dbw->newInsertQueryBuilder() |
| 76 | ->insertInto( 'watchlist_label_member' ) |
| 77 | ->rows( $data ) |
| 78 | ->caller( __METHOD__ ) |
| 79 | ->execute(); |
| 80 | } |
| 81 | } |
| 82 | } |
| 83 | |
| 84 | // @codeCoverageIgnoreStart |
| 85 | $maintClass = CleanupWatchlistLabelMember::class; |
| 86 | require_once RUN_MAINTENANCE_IF_MAIN; |
| 87 | // @codeCoverageIgnoreEnd |